Upgrade and Update Settings

The following table describes the update and upgrade settings you can configure.

Update Settings for Security Services
Setting	Description
Update Servers (images)	Choose whether to download AsyncOS upgrade and service update software images, such as time zone rules and Feature Key updates, from the Cisco servers or a from a local web server. The default is the Cisco servers for both upgrades and updates. You might want to use a local web server if : You need to download images to your appliance from a static address. See Static Upgrade and Update Server Settings for Environments with Strict Firewall Policies. You want to download AsyncOS upgrade images to your appliance at your convenience. (You can still download service update images dynamically from the Cisco update servers.) When you choose a local update server, enter the base URL and port number for the servers used to download the upgrades and updates. If the server requires authentication, you can also enter a valid user name and passphrase. For more information, see Choosing an Upgrade Method: Remote vs. Streaming and Remote Upgrade Overview.
Update Servers (lists)	Choose whether to download the lists of available upgrades and service updates (the manifest XML files) from the Cisco servers or from a local web server. The default for both upgrades and updates is the Cisco servers. You can choose different settings for upgrades and for updates. If applicable, see Static Upgrade and Update Server Settings for Environments with Strict Firewall Policies. If you choose local update servers, enter the full path to the manifest XML file for each list including the file name and port number for the server. If you leave the port field blank, AsyncOS uses port 80. If the server requires authentication, you can also enter a valid user name and passphrase. For more information, see Choosing an Upgrade Method: Remote vs. Streaming and Remote Upgrade Overview.
Automatic Updates	Choose whether or not to enable automatic updates for time zone rules. When enabled, enter the time to wait between checks for updates. Add a trailing m for minutes, h for hours, and d for days.
Interface	Choose which network interface to use when contacting the update servers for time zone rules and AsyncOS upgrades. The available proxy data interfaces are shown. By default, the appliance selects an interface to use.
HTTP Proxy Server	If an upstream HTTP proxy server exists and requires authentication, enter the server information and user name and passphrase here. Note that if you specify a proxy server, it will be used to access and update the services listed in the GUI. This proxy server is also used to obtain File Analysis report details from the cloud. See also Requirements for File Analysis Report Details (Web reports) or Requirements for File Analysis Report Details (Email reports).
HTTPS Proxy Server	If an upstream HTTPS proxy server exists and requires authentication, enter the server information and user name and passphrase here. Note that if you specify a proxy server, it will be used to access and update the services listed in the GUI. This proxy server is also used to obtain File Analysis report details from the cloud.. See also Requirements for File Analysis Report Details (Web reports) or Requirements for File Analysis Report Details (Email reports).